Home / 18,026.21-27,056.27-9,147.91

Finding the Fourth Proportional to 18,026.21, 27,056.27 and 9,147.91

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Solution

The fourth proportional to 18,026.21, 27,056.27 and 9,147.91 is: 13,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.21 : 27,056.27 = 9,147.91 : x
  2. Step 2: Convert to fraction form
    18,026.21/27,056.27 = 9,147.91/x
  3. Step 3: Cross multiply
    18,026.21x = 27,056.27 × 9,147.91
  4. Step 4: Simplify right side
    18,026.21x = 247,508,379.59
  5. Step 5: Solve for x
    x = 247,508,379.59/18,026.21
  6. Step 6: Final answer
    x = 13,730.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.